Anode steel claw head for aluminum electrolysis and a method for manufacturing the same

Abstract

This application discloses an anode steel claw head for aluminum electrolysis and its preparation method. The anode steel claw head for aluminum electrolysis includes a steel tube, a highly conductive inner core, and multiple coatings. The highly conductive inner core is embedded in the steel tube. Along the length of the steel tube, the steel tube includes a sprayed area and a blank area. The coating covers the outer surface of the steel tube, and the coating is sprayed on the sprayed area. The thickness of each coating gradually increases from the sprayed area towards the blank area. The innermost layer of the anode steel claw head for aluminum electrolysis disclosed in this application is a highly conductive core layer, which increases the conductivity of the anode steel claw head, significantly reduces the cell voltage, thereby reducing energy consumption and improving current efficiency; at the same time, it can also reduce the working temperature of the steel claw, thereby extending the service life of the steel claw. The outer layer is coated with an anti-oxidation and corrosion-resistant coating, which enhances the high-temperature oxidation and corrosion resistance of the aluminum electrolysis anode steel claw, slows down the corrosion rate of the anode steel claw, significantly extends the service life of the anode steel claw, reduces the number of replacements of the anode steel claw, and reduces replacement and maintenance costs and the workload of workers.

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